Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933125AbdIYHLs (ORCPT ); Mon, 25 Sep 2017 03:11:48 -0400 Received: from mail-by2nam01on0080.outbound.protection.outlook.com ([104.47.34.80]:2304 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932578AbdIYHLq (ORCPT ); Mon, 25 Sep 2017 03:11:46 -0400 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Christian.Koenig@amd.com; Subject: Re: radeon_get_bios: BUG: unable to handle kernel paging request To: Thomas Meyer , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, alexander.deucher@amd.com, linux-kernel@vger.kernel.org References: <20170924102626.GA20358@localhost.localdomain> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: <5ff4766a-afad-6d12-d973-bf2e4b81a285@amd.com> Date: Mon, 25 Sep 2017 09:11:25 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20170924102626.GA20358@localhost.localdomain> Content-Type: text/plain; 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If this worked on an older kernel version bisecting would be a good idea as well. Regards, Christian. Am 24.09.2017 um 12:26 schrieb Thomas Meyer: > Hi, > > while trying to resurrect my old Macbook as an 32 bit kernel testing device, > I think someone broke the radeon driver on this first generation pure EFI boot > Macbook. > > My guess would be that the introduction of the vga_switcheroo code did break the > radeon_get_bios functionality. > > I will try again without radeon_atrm_get_bios and radeon_acpi_vfct_bios. > > kind regards > thomas